COST — Costco Wholesale Corporation Institutional Holders · Q3 2026

Name: Who Owns COST? 237 Institutions Hold $1.35B (Q3 2026)
Creator: ko.io

Who owns Costco Wholesale Corporation (COST)? 237 institutions reported holding $1.35B in SEC 13F filings for Q3 2026 (period ended 2026-09-30). Largest holders: Congress Asset Management Co ($183.0M), Steginsky Capital LLC ($121.5M), Mn Services Vermogensbeheer B.V. ($119.3M).

Rank	Institution	Value	Shares	Change
1	CONGRESS ASSET MANAGEMENT CO	$183.0M	201,044	Trimmed
2	STEGINSKY CAPITAL LLC	$121.5M	133,430	Trimmed
3	Mn Services Vermogensbeheer B.V.	$119.3M	131,066	Added
4	SAPIENT CAPITAL LLC	$65.8M	72,244	Trimmed
5	Norman Fields, Gottscho Capital Management, LLC	$52.0M	57,161	Trimmed
6	Violich Capital Management, Inc.	$41.1M	45,120	Trimmed
7	YHB Investment Advisors, Inc.	$37.8M	41,507	Trimmed
8	Lincoln Capital LLC	$31.0M	33,963	Trimmed
9	PARK NATIONAL CORP /OH/	$30.3M	33,235	Trimmed
10	Farther Finance Advisors, LLC	$29.4M	32,263	Added
11	Gradient Investments LLC	$25.6M	28,115	Added
12	NEVILLE RODIE & SHAW INC	$24.8M	27,208	Trimmed
13	Bath Savings Trust Co	$23.4M	25,737	Added
14	NORTH POINT PORTFOLIO MANAGERS CORP/OH	$21.8M	23,969	Trimmed
15	JACOBS & CO/CA	$21.7M	23,824	Added
16	FERGUSON WELLMAN CAPITAL MANAGEMENT, INC	$18.9M	20,747	Trimmed
17	Oak Grove Capital LLC	$17.6M	19,363	Trimmed
18	AMERICAN NATIONAL BANK & TRUST	$17.6M	19,307	Trimmed
19	EASTERN BANK	$16.9M	18,617	Trimmed
20	MassMutual Private Wealth & Trust, FSB	$14.0M	15,383	Trimmed
21	Gouws Capital LLC	$12.0M	13,201	Added
22	S.E.E.D. Planning Group LLC	$12.0M	13,191	Added
23	CENTRAL BANK & TRUST CO	$11.9M	13,078	Trimmed
24	CYPRESS ASSET MANAGEMENT INC/TX	$11.9M	13,073	Trimmed
25	GAMMA Investing LLC	$11.2M	12,350	Trimmed

Source: SEC Form 13F filings · as of 2026-09-30